GB2080575B - Electro-hydraulic control structure - Google Patents

Electro-hydraulic control structure

Info

Publication number
GB2080575B
GB2080575B GB8120900A GB8120900A GB2080575B GB 2080575 B GB2080575 B GB 2080575B GB 8120900 A GB8120900 A GB 8120900A GB 8120900 A GB8120900 A GB 8120900A GB 2080575 B GB2080575 B GB 2080575B
Authority
GB
United Kingdom
Prior art keywords
electro
hydraulic control
control structure
hydraulic
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8120900A
Other versions
GB2080575A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sundstrand Corp
Original Assignee
Sundstrand Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sundstrand Corp filed Critical Sundstrand Corp
Publication of GB2080575A publication Critical patent/GB2080575A/en
Application granted granted Critical
Publication of GB2080575B publication Critical patent/GB2080575B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C3/00—Circuit elements having moving parts
    • F15C3/10—Circuit elements having moving parts using nozzles or jet pipes
    • F15C3/14—Circuit elements having moving parts using nozzles or jet pipes the jet the nozzle being intercepted by a flap
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • F15B13/0438—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being of the nozzle-flapper type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2278—Pressure modulating relays or followers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/598—With repair, tapping, assembly, or disassembly means
    • Y10T137/6116—With holding means functioning only during transportation assembly or disassembly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/8659—Variable orifice-type modulator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/8659—Variable orifice-type modulator
    • Y10T137/86598—Opposed orifices; interposed modulator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86879—Reciprocating valve unit
    • Y10T137/86895—Plural disk or plug
GB8120900A 1980-07-18 1981-07-07 Electro-hydraulic control structure Expired GB2080575B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/170,084 US4352367A (en) 1980-07-18 1980-07-18 Electro-hydraulic control structure

Publications (2)

Publication Number Publication Date
GB2080575A GB2080575A (en) 1982-02-03
GB2080575B true GB2080575B (en) 1983-11-02

Family

ID=22618486

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8120900A Expired GB2080575B (en) 1980-07-18 1981-07-07 Electro-hydraulic control structure

Country Status (7)

Country Link
US (1) US4352367A (en)
JP (1) JPS5751001A (en)
BR (1) BR8104365A (en)
CA (1) CA1163168A (en)
DE (1) DE3122070A1 (en)
FR (1) FR2487091A1 (en)
GB (1) GB2080575B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3432728A1 (en) * 1984-09-06 1986-03-13 Mannesmann Rexroth GmbH, 8770 Lohr Device for setting the preloading spring of a valve
US4989671A (en) * 1985-07-24 1991-02-05 Multi Products Company Gas and oil well controller
JPS62237202A (en) * 1986-04-07 1987-10-17 バブ日立エンジニアリングサ−ビス株式会社 Cyclone type waste-heat recovery device
DE3925300A1 (en) * 1989-07-31 1991-02-14 Linde Ag ELECTRO-HYDRAULIC SIGNAL CONVERTER
US9976663B2 (en) * 2010-05-26 2018-05-22 Petrolvalves S.P.A. Intelligent pressure relief device for a double isolation valve
EP3473865B1 (en) * 2017-10-19 2023-08-30 Hamilton Sundstrand Corporation Nozzle assembly with filter for a servovalve
EP3715687B1 (en) * 2019-03-29 2021-10-13 Hamilton Sundstrand Corporation Servo valves

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68726C (en) * Urania-Uhren- und Säulen-Commandit-Gesellschaft breslauer & Dr. von orth in Berlin Electrically operated shut-off valve
US2767689A (en) * 1953-05-22 1956-10-23 Cornell Aeronautical Labor Inc Electrohydraulic servo valve
US2844158A (en) * 1955-08-29 1958-07-22 Ex Cell O Corp Electro-hydraulic servo actuators
GB845997A (en) * 1955-11-08 1960-08-24 Sidney Broadbent Improvements in fluid control valves
US3228423A (en) * 1956-01-23 1966-01-11 Moog Servocontrols Inc Fluid control valve in which a mechanical motion is transmitted from a dry region to a pressurized fluid filled region
US2924241A (en) * 1956-11-30 1960-02-09 Ex Cell O Corp Electro hydraulic servo valve
US2983278A (en) * 1956-12-26 1961-05-09 Pneumo Dynamics Corp Magnetically operated hydraulic servo valve
US3023782A (en) * 1959-11-13 1962-03-06 Moog Servocontrols Inc Mechanical feedback flow control servo valve
US3055631A (en) * 1960-11-25 1962-09-25 Dean O Kippenhan Electrostriction valve
FR1375921A (en) * 1963-09-11 1964-10-23 Dupont S T Control device for pneumatic valves or the like
US3203447A (en) * 1963-10-09 1965-08-31 Skinner Prec Ind Inc Magnetically operated valve
US3339572A (en) * 1965-01-25 1967-09-05 Carroll G Gordon Electro-hydraulic servo valve
US3740594A (en) * 1971-08-30 1973-06-19 Fema Corp Permanent-electromagnetic reciprocating device
GB1388938A (en) * 1972-09-28 1975-03-26 Victor Products Ltd Control valves
DE2262925A1 (en) * 1972-12-22 1974-06-27 Rausch & Pausch MAGNETIC VALVE
DE2730933C3 (en) * 1977-07-08 1981-01-15 Wolfgang Prof. Dr.-Ing. 5100 Aachen Backe Diaphragm blood pump with integrated electro-pneumatic servo valve

Also Published As

Publication number Publication date
BR8104365A (en) 1982-03-23
JPS5751001A (en) 1982-03-25
FR2487091A1 (en) 1982-01-22
US4352367A (en) 1982-10-05
CA1163168A (en) 1984-03-06
FR2487091B1 (en) 1984-04-27
DE3122070A1 (en) 1982-03-18
GB2080575A (en) 1982-02-03

Similar Documents

Publication Publication Date Title
GB2076125B (en) Electro-hydraulic control valve
GB2081484B (en) Vehicle-running control system
GB2073912B (en) Control system
IL61719A (en) Hydraulic control system
JPS5788586A (en) Cash-synonym control system
DE3165029D1 (en) Hydraulic actuator
AU539676B2 (en) Electro-hydraulic control unit
JPS5788481A (en) Control microdeductometer
JPS57125429A (en) Control system
GB2023882B (en) Electro-hydraulic control system
GB2075642B (en) Control valves
GB2069178B (en) Lift control system
IL62597A (en) Adaptive-predictive control system
GB2077954B (en) Lift control system
GB2081847B (en) Control valves
GB2080575B (en) Electro-hydraulic control structure
GB2076602B (en) Control units
GB8334351D0 (en) Hydraulic control
GB2068467B (en) Hydraulic control arrangement
JPS57122796A (en) Stabilized creatinekinase control
GB2074759B (en) Hydraulic control system
GB2079900B (en) Hydraulic control device
GB2070285B (en) Position control
DE3268279D1 (en) Hydraulic control means
GB2072761B (en) Hydraulic control means

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee